Methyl p-anisate

4,4′-Oxybis(Benzenesulphonyl Chloride) (OBSC) is a high-purity aromatic sulfonyl chloride widely used as a reactive intermediate in specialty chemical synthesis. Known for its strong electrophilic chlorosulfonyl groups and stable aromatic ether backbone, OBSC offers excellent performance in applications requiring efficient sulfonylation or cross-linking capability.

Produced under strict quality control, our OBSC features low moisture content, consistent particle size, and high assay purity—ensuring reliable performance in industrial and R&D environments. It is suitable for use in polymer chemistry, fine chemical synthesis, and custom manufacturing projects requiring a dependable and versatile sulfonylating agent.